Table 2.2—Industry Standards for Meter Installation
Meter Type Standard Description
Orice Meter AGA 3, Section 2.6 Specications for orice meters (to include beta ratios)
Installation requirements for orice plates, meter tubes, ow conditioners, and
thermometer wells
This standard is also distributed under the following names: API MPMS Chapter
14.3, Part 2; ANSI/API 14.3, Part 2-3100; and GPA 8185, Part 2.
ISO 5167, Part 1 Installation of orice plates inserted into a circular cross-section conduit
running full
Limitation of pipe size and Reynolds number
ISO 5167 is applicable only to ow that remains subsonic throughout the
measuring section and where the uid can be considered single-phase. It is
not applicable to the measurement of pulsating ow. It does not cover the use
of orice plates in pipe sizes less than 50 mm (2 in.) or more than 1000 mm
(39 in.), or for pipe Reynolds numbers below 5000.
ISO 5167, Part 2 Species orice plates that can be used with ange pressure tappings, corner
pressure tappings, D and D/2 pressure tappings.
API MPMS Chapter
21.1, Section 1.7
Installation of electronic gas measurement devices and associated
communications, gauge/impulse lines, and cabling
API MPMS Chapter
21.1, Section 1.8
Requirements for calibrating and verifying the accuracy of electronic gas
measurement devices
ASME MFC-14M Species low-ow orice meters smaller than 2 inch pipe size, that can be
used with ange taps and corner taps.
Nominal pipe sizes (1/2 inch to 1-1/2 inch only)
Beta ratio from 0.1 to 0.75
Suitable for single-phase uids only
Subsonic ow only
Not suitable for pulsating ow
Cone Meter NuFlo* Cone Meter
User Manual,
Sections 2 through 5
System components, impulse tubing considerations, best practices for
installation, installation procedures/diagrams for liquid and gas service
ISO 5167, Part 1 Installation of orice plates inserted into a circular cross-section conduit
running full
Limitation of pipe size and Reynolds number
ISO 5167 is applicable only to ow that remains subsonic throughout the
measuring section and where the uid can be considered single-phase. It is
not applicable to the measurement of pulsating ow. It does not cover the use
of orice plates in pipe sizes less than 50 mm (2 in.) or more than 1000 mm
(39 in.), or for pipe Reynolds numbers below 5000.
Venturi Meter ISO 5167, Part 1 Installation of orice plates inserted into a circular cross-section conduit
running full
Limitation of pipe size and Reynolds number
ISO 5167 is applicable only to ow that remains subsonic throughout the
measuring section and where the uid can be considered single-phase. It is
not applicable to the measurement of pulsating ow. It does not cover the use
of orice plates in pipe sizes less than 50 mm (2 in.) or more than 1,000 mm
(39 in.), or for pipe Reynolds numbers below 5,000.
ISO 5167, Part 3 ISO 5167-3 describes three Venturi meter variations: machined inlet, rough
cast inlet, and welded sheet metal. Machined inlet meters are available in
diameters up to 10 inches (250 mm), rough cast meters up to 30 inches (800
mm), and welded construction up to 47 in. (1,200 mm).
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